CONTENTS
CHAPTERS
I. The Mystery of a Black Night
II. The Call of One in Trouble
III. Vanishing into Thin Air
IV. Some One Calls Again
V. Wanted—-Daylight and Divers
VI. Mr. Bascomb is Peevish
VII. Tom Isn't as Easy as He Looks
VIII. Mr. Prenter Investigates
IX. Invited To Leave Camp
X. The Night is Not Over
XI. A Message from a Coward
XII. An Engineer's Fighting Blood
XIII. Wishing It on Mr. Sambo
XIV. The Black Man's Turn
XV. A David for a Goliath
XVI. A Test of Real Nerve
XVII. Tom Makes an Unexpected Capture
XVIII. The Army "On the Job"
XIX. A New Mystery Peeps In
XX. A Secret in Sight
XXI. Evarts Hears a Noise
XXII. Mr. Bascomb Hears Bad News
XXIII. Ebony Says "Thumbs Up"
XXIV. Conclusion